diff --git a/lib/determine-basal/determine-basal.js b/lib/determine-basal/determine-basal.js
index d072f9e70..1ef227832 100644
--- a/lib/determine-basal/determine-basal.js
+++ b/lib/determine-basal/determine-basal.js
@@ -315,7 +315,7 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
         //console.error(meal_data.lastCarbTime, lastCarbAge);
 
         fractionCOBAbsorbed = ( meal_data.carbs - meal_data.mealCOB ) / meal_data.carbs;
-        remainingCATime = remainingCATimeMin + lastCarbAge/60;
+        remainingCATime = remainingCATimeMin + 1.5 * lastCarbAge/60;
         remainingCATime = round(remainingCATime,1);
         //console.error(fractionCOBAbsorbed, remainingCATimeAdjustment, remainingCATime)
         console.error("Last carbs",lastCarbAge,"minutes ago; remainingCATime:",remainingCATime,"hours;",round(fractionCOBAbsorbed*100)+"% carbs absorbed");
@@ -443,15 +443,15 @@ var determine_basal = function determine_basal(glucose_status, currenttemp, iob_
             if ( profile.curve == "ultra-rapid" && !profile.useCustomPeakTime ) {
                 insulinPeakTime = 55;
             }
-            // add 15m to allow for insluin delivery (SMBs or temps)
-            insulinPeakTime += 15;
+            // add 30m to allow for insluin delivery (SMBs or temps)
+            insulinPeakTime += 30;
             var insulinPeak5m = (insulinPeakTime/60)*12;
             //console.error(insulinPeakTime, insulinPeak5m, profile.insulinPeakTime, profile.curve);
 
-            // wait 70-90m before setting minIOBPredBG
+            // wait 80-100 before setting minIOBPredBG
             if ( IOBpredBGs.length > insulinPeak5m && (IOBpredBG < minIOBPredBG) ) { minIOBPredBG = round(IOBpredBG); }
             if ( IOBpredBG > maxIOBPredBG ) { maxIOBPredBG = IOBpredBG; }
-            // wait 70-90m before setting COB and 60m for UAM minPredBGs
+            // wait 85-105m before setting COB and 60m for UAM minPredBGs
             if ( (cid || remainingCIpeak > 0) && COBpredBGs.length > insulinPeak5m && (COBpredBG < minCOBPredBG) ) { minCOBPredBG = round(COBpredBG); }
             if ( (cid || remainingCIpeak > 0) && COBpredBG > maxIOBPredBG ) { maxCOBPredBG = COBpredBG; }
             if ( enableUAM && UAMpredBGs.length > 12 && (UAMpredBG < minUAMPredBG) ) { minUAMPredBG = round(UAMpredBG); }